Waco, TX Climate & Monthly Averages
Waco has a humid subtropical climate. July is the hottest month, averaging 97° by day; January is the coldest at 59°.
Sunshine is a defining feature of Waco's climate
Waco records 105 wet days and 9.2 hours of daily sunshine in an average year. Temperatures follow a humid subtropical pattern, running 59°F (15°C) in January up to 97°F (36°C) in July.
How sun, temperature and rain fit together
Relative humidity averages 65% across the year, drier than about 79% of the cities we track. At its warmest, in July, Waco runs to 97°F (36°C) in the afternoon and back to 78°F (26°C) by dawn. January bottoms out at 59°F (15°C) in daylight, 41°F (5°C) after dark. Snowfall is rare but not unheard of.
Sunshine averages 9.2 hours a day over the year, peaking in July at 12.4 hours. Average highs hold at or above 30°C for 4 months of the year, June through September being the unbroken run. May is the wettest month at 6.6 inches (168 mm) over 14 days; July is the driest. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 111°F (44°C) and the lowest daily minimum 7°F (-14°C).
More climate facts for Waco
- Hottest month: July - highs near 97°F (36°C)
- Coldest month: January - highs near 59°F (15°C)
- Decade extremes (2015-2024): 111°F (44°C) high · 7°F (-14°C) low
- Wettest month: May (14 rainy days) · Sunniest: July (12.4 h sun/day)
- Climate type: humid subtropical
- Annual swing: 21°C between the average warmest and coolest month · day to night: 10°C
- Months averaging 30°C or hotter: 4
- Average humidity: 65%
The most comfortable sunny-weather window
Best time to visit Waco
The best time to visit Waco is generally February to April and October to December, when warm days, manageable rainfall and plenty of daylight line up. Daytime temperatures in that window sit near 71°F (22°C), with rain on about 9 days a month. For the same question asked the other way round, see where else is warm in February.
What to pack
Pack for Waco with lightweight, breathable clothing and serious sun protection and a compact umbrella or rain shell. Even in July, lows of 78°F (26°C) make an extra layer worth the space.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 59° | 41° | 7 | 2.6 in | 7.4 h/day | 10.3 h | 23% | 65% |
| February | 63° | 44° | 9 | 3.3 in | 7.1 h/day | 11.0 h | 30% | 68% |
| March | 72° | 53° | 10 | 3.7 in | 8.1 h/day | 11.9 h | 31% | 67% |
| April | 77° | 58° | 10 | 5.6 in | 9.0 h/day | 12.9 h | 34% | 67% |
| May | 84° | 67° | 14 | 6.6 in | 9.6 h/day | 13.7 h | 46% | 73% |
| June | 92° | 74° | 10 | 3.3 in | 11.6 h/day | 14.2 h | 33% | 67% |
| July | 97° | 78° | 6 | 1.8 in | 12.4 h/day | 14.0 h | 21% | 57% |
| August | 97° | 78° | 7 | 2.6 in | 11.7 h/day | 13.3 h | 23% | 57% |
| September | 90° | 73° | 7 | 2.4 in | 10.5 h/day | 12.3 h | 24% | 61% |
| October | 81° | 62° | 8 | 5.0 in | 9.2 h/day | 11.3 h | 25% | 60% |
| November | 69° | 51° | 9 | 3.3 in | 7.3 h/day | 10.5 h | 30% | 68% |
| December | 63° | 46° | 8 | 4.0 in | 6.8 h/day | 10.1 h | 25% | 69% |
Waco month by month
Each card shows the average high and low. The bar places that month between Waco's coldest night and warmest afternoon.
January
- Rain
- 7 days
- Sunshine
- 7.4 h
- Daylight
- 10.3 h
February
- Rain
- 9 days
- Sunshine
- 7.1 h
- Daylight
- 11.0 h
March
- Rain
- 10 days
- Sunshine
- 8.1 h
- Daylight
- 11.9 h
April
- Rain
- 10 days
- Sunshine
- 9.0 h
- Daylight
- 12.9 h
May
- Rain
- 14 days
- Sunshine
- 9.6 h
- Daylight
- 13.7 h
June
- Rain
- 10 days
- Sunshine
- 11.6 h
- Daylight
- 14.2 h
July
- Rain
- 6 days
- Sunshine
- 12.4 h
- Daylight
- 14.0 h
August
- Rain
- 7 days
- Sunshine
- 11.7 h
- Daylight
- 13.3 h
September
- Rain
- 7 days
- Sunshine
- 10.5 h
- Daylight
- 12.3 h
October
- Rain
- 8 days
- Sunshine
- 9.2 h
- Daylight
- 11.3 h
November
- Rain
- 9 days
- Sunshine
- 7.3 h
- Daylight
- 10.5 h
December
- Rain
- 8 days
- Sunshine
- 6.8 h
- Daylight
- 10.1 h
Looking for warmer alternatives? Browse warm places by month, or compare Waco's coolest part of the year: January, February, December.
Seasonal weather under Waco's sunnier skies
Spring (March through May)
Through spring, Waco settles into easy warmth: 78°F (25°C) by day, 59°F (15°C) after dark, and rain falls on around 34 of the 90 days.
Summer (June through August)
Summer is punishingly hot here - highs near 95°F (35°C), nights near 77°F (25°C), and expect showers on roughly 24 days across the season. Daylight is generous - around 11.9 hours of sun a day.
Fall (September through November)
Fall settles into easy warmth here - highs near 80°F (27°C), nights near 62°F (17°C), and expect showers on roughly 24 days across the season.
Winter (December through February)
Winter in Waco runs cool rather than cold, with daytime highs averaging 61°F (16°C) and nights around 43°F (6°C); expect showers on roughly 24 days across the season.
How unusual is Waco?
- Waco sits close to the middle of our dataset on most measures: 69°F (21°C) as an annual average, 44.3 inches (1124 mm) of precipitation and 9.2 hours of sun a day.
These comparisons use the same ten-year window for every city in the dataset.
Waco temperature extremes in the 2015–2024 dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.